motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-03 07:43:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

grackle: move PCI IO (ISA) memory region into the grackle device

Browse source 
This simplifies the Old World machine to simply mapping the ISA memory region
into the main address space.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Mark Cave-Ayland 2018-03-06 22:01:57 +00:00 • committed by David Gibson
parent a773e64a8f
commit a94e5f998b
2 changed files with 9 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

7
hw/pci-host/grackle.c
View file

@ -41,6 +41,7 @@ typedef struct GrackleState {
qemu_irq irqs[4];
MemoryRegion pci_mmio;
MemoryRegion pci_hole;
MemoryRegion pci_io;
} GrackleState;
/* Don't know if this matches real hardware, but it agrees with OHW. */
@ -76,7 +77,7 @@ static void grackle_realize(DeviceState *dev, Error **errp)
pci_grackle_map_irq,
s,
&s->pci_mmio,
get_system_io(),
&s->pci_io,
0, 4, TYPE_PCI_BUS);
pci_create_simple(phb->bus, 0, "grackle");
@ -90,6 +91,9 @@ static void grackle_init(Object *obj)
PCIHostState *phb = PCI_HOST_BRIDGE(obj);
memory_region_init(&s->pci_mmio, OBJECT(s), "pci-mmio", 0x100000000ULL);
memory_region_init_io(&s->pci_io, OBJECT(s), &unassigned_io_ops, obj,
"pci-isa-mmio", 0x00200000);
memory_region_init_alias(&s->pci_hole, OBJECT(s), "pci-hole", &s->pci_mmio,
0x80000000ULL, 0x7e000000ULL);
@ -106,6 +110,7 @@ static void grackle_init(Object *obj)
sysbus_init_mmio(sbd, &phb->conf_mem);
sysbus_init_mmio(sbd, &phb->data_mem);
sysbus_init_mmio(sbd, &s->pci_hole);
sysbus_init_mmio(sbd, &s->pci_io);
}
static void grackle_pci_realize(PCIDevice *d, Error **errp)